Home / 215,829.36-323,773.61-73,636.49

Finding the Fourth Proportional to 215,829.36, 323,773.61 and 73,636.49

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Solution

The fourth proportional to 215,829.36, 323,773.61 and 73,636.49 is: 110,464.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    215,829.36 : 323,773.61 = 73,636.49 : x
  2. Step 2: Convert to fraction form
    215,829.36/323,773.61 = 73,636.49/x
  3. Step 3: Cross multiply
    215,829.36x = 323,773.61 × 73,636.49
  4. Step 4: Simplify right side
    215,829.36x = 23,841,552,636.28
  5. Step 5: Solve for x
    x = 23,841,552,636.28/215,829.36
  6. Step 6: Final answer
    x = 110,464.83

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.